P-22 (c. 2009/2010 – December 17, 2022) was a wild mountain lion who resided in Griffith Park in Los Angeles, California, at the eastern end of the Santa Monica Mountains. P-22 was first identified in 2012, after which he was monitored by radio collar. He lived in Griffith Park for ten years and was often recorded in nearby Hollywood Hills neighborhoods as well. He was captured and euthanized in December 2022, after examinations revealed he was suffering from traumatic injuries consistent with being hit by a car, in combination with several longer-term health issues. P-22 was the subject of significant media attention, including numerous books, television programs, and other works of art. Most significant was a photograph of him in front of the Hollywood Sign, which was featured in National Geographic. P-22's likeness was also instrumental in funding the Wallis Annenberg Wildlife Crossing.
Life
Early life P-22 was born c. 2009/2010 in the western part of the Santa Monica Mountains. Genetic testing showed that his father was P-1, the Santa Monica Mountain's dominant male from 2002 or earlier to 2009. P-22's mother is unknown, as she was not recorded in the study of local pumas. Sometime before 2012, P-22 trekked east to Griffith Park, where he settled after crossing Interstate 405 and Route 101. His journey was particularly notable because mountain lions are often killed while crossing Los Angeles freeways. The exact route for P-22's journey is unknown.
In Griffith Park
P-22 was first discovered in Griffith Park by the Griffith Park Connectivity Study and he was first caught in March 2012, at which point he weighed 90 pounds (41 kg), was fitted with a GPS collar, and was designated P-22. P-22 primarily resided in Griffith Park but was also spotted in the Hollywood Hills, Los Feliz, and Silver Lake. The National Park Service noted that P-22's 9-square-mile (23 km2) Griffith Park habitat was too small for an adult puma by a factor of 31 and that it was unlikely he would find a mate there. It is the smallest range ever recorded for an adult male mountain lion.
In 2014, P-22 contracted mange stemming from exposure to anti-blood-clotting rat poison by way of biomagnification. The National Park Service captured and treated him, then released him back into Griffith Park. In December 2015, the National Park Service re-captured P-22 and found he had gained 15 pounds and fully recovered. In 2016, the Los Angeles Zoo reported the disappearance of an elderly koala named Killarney, whose carcass was found outside the koala enclosure. Surveillance footage showed P-22 on zoo grounds, although neither his GPS-tracking data nor camera footage recorded an interaction between the two animals. Los Angeles City Council member Mitch O'Farrell called for investigating the relocation of P-22 after the incident, while the National Park Service called the koala killing "normal predatory behavior" and the Zoo declined to request a depredation permit, instead opting to improve its animal enclosure methods.
Capture and death In December 2022, the National Park Service and California Department of Fish and Wildlife announced they would capture P-22 to evaluate his health. Previously, the services had noticed changes in his behavior, including increased agitation and venturing farther from his usual range, culminating in two separate attacks on chihuahuas in Griffith Park's neighboring communities. P-22 was captured in a Los Feliz homeowner's backyard on December 12, after which he was triaged at the Los Angeles Zoo, then taken to the San Diego Zoo Wildlife Alliance. Officials initially announced that P-22 was in stable condition and that he would not be euthanized unless he was suffering from a serious health condition. The next day, however, officials announced that P-22 would likely not be released back into Griffith Park, as he was significantly underweight, had thinning fur, possible mange, and his right eye was damaged, the latter likely due to a vehicle collision, as one had been reported the night before P-22's capture and P-22's radio collar data supported his involvement. P-22 was further examined at the San Diego Zoo Safari Park, where several serious health issues were discovered, including skull fractures, eye and skin injuries, and herniation of abdominal organs into his chest. P-22 was also found to be suffering from multiple long-term ailments, including stage 2 kidney failure, heart disease, a parasitic skin infection of Demodex gatoi, and weight loss (he weighed 90 lb (41 kg) instead of his usual 125 lb (57 kg)). P-22 was euthanized on December 17, 2022 at 9:00 a.m. A necropsy found he had a systemic ringworm infection, making him the first documented case of a demodectic mange infection concurrent with a ringworm infection in a California mountain lion. The examination also confirmed that P-22's severe injuries and chronic conditions both impaired his ability to function in the wild and would have lowered his quality of life in human care.
Burial Up to a year before P-22's death, the Natural History Museum of Los Angeles County received applications that upon his death, they would use his remains for research purposes and also put his body on display. However, after P-22's death, the museum announced they did not plan to taxidermy his body or put his remains on display. Instead, local Native American tribes requested him buried near Griffith Park with a ceremony to honor his spirit. After P-22's necropsy, he was transported to the museum, where officials and descendants from Gabrieleño/Tongva, Tataviam, Chumash, Gabrielino-Shoshone, Akimel O'otham, and Luiseño tribes held a blessing ceremony to "welcome P-22 back to his homeland". P-22's remains were stored at the museum until he was buried on March 4 at an undisclosed location in the Santa Monica Mountains. The burial was done in collaboration with local Indigenous partners, the California Department of Fish and Wildlife, the Natural History Museum, and the National Park Service.
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